From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: * X-Spam-Status: No, score=1.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,URIBL_DBL_ABUSE_MALW autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4B80C35247 for ; Tue, 4 Feb 2020 15:08:50 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 97DE520730 for ; Tue, 4 Feb 2020 15:08:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="jFTUQZhJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 97DE520730 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eckelmann.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=xqLL5eet2GGPQ1M8BhT8zaEhdysYaU9ACpThjc64X+g=; b=jFTUQZhJwdz67O jQmawOStKQsUiVgS/4SrM4d3bqmfXsuj1Q/WuAFeQNLJfOZhqe6SmBMCJ+d6RJB6ki+FviI0nqof2 nozjb97ZXwoDduoDCNGz27QI2apkzdzqU9EyupCAOekRKUMhBADKKwLrO/sUYf96PskDTCoU4zt3H avXr/vd1MkvL1nvdIFlk7EyVL/CKTxXsuzvW1moliBEWH1EyfQMXFcUCxGZSBAKiGI9n4XnhvfKY2 5UHk2Ex//YzTt7Yv9jX8VULd7WCmb1fBv735G4KlHYe4SmebaFm/XeeGGidtInOFZ0aLhUzl1ic/3 9pzHaPXA0m7MwIQEzdfg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1iyzoT-0004X1-L9; Tue, 04 Feb 2020 15:08:29 +0000 Received: from smtp.eckelmann.de ([2a00:1f08:4007:e035:172:18:35:4]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1iyzoP-0004W5-5k for linux-mtd@lists.infradead.org; Tue, 04 Feb 2020 15:08:26 +0000 Received: from EX-SRV1.eckelmann.group (2a00:1f08:4007:e035:172:18:35:4) by EX-SRV1.eckelmann.group (2a00:1f08:4007:e035:172:18:35:4) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1591.10; Tue, 4 Feb 2020 16:07:31 +0100 Received: from EX-SRV1.eckelmann.group ([fe80::250:56ff:fe8b:faa6]) by EX-SRV1.eckelmann.group ([fe80::250:56ff:fe8b:faa6%3]) with mapi id 15.01.1591.017; Tue, 4 Feb 2020 16:07:31 +0100 From: "Mainz, Roland" To: Sascha Hauer , Jan Kara Subject: Implementing quota support on Linux without block device as backing store ? / was: RE: [PATCH 1/8] quota: Allow to pass mount path to quotactl Thread-Topic: Implementing quota support on Linux without block device as backing store ? / was: RE: [PATCH 1/8] quota: Allow to pass mount path to quotactl Thread-Index: AdXbbKDrCgOz0kbdRUqDYOUqf+uszQ== Date: Tue, 4 Feb 2020 15:07:31 +0000 Message-ID: Accept-Language: de-DE, en-US Content-Language: de-DE X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [2a00:1f08:4007:3c00:f91e:e10f:9d83:89d4] MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200204_070825_216635_73F0DCE6 X-CRM114-Status: UNSURE ( 6.18 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Weinberger , "Mainz, Roland" , "linux-mtd@lists.infradead.org" , "kernel@pengutronix.de" , Jan Kara , "linux-fsdevel@vger.kernel.org" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org Sascha Hauer wrote: > This patch introduces the Q_PATH flag to the quotactl cmd argument. > When given, the path given in the special argument to quotactl will be the > mount path where the filesystem is mounted, instead of a path to the block > device. > This is necessary for filesystems which do not have a block device as backing > store. Particularly this is done for upcoming UBIFS support. Just curious: Did you check how NFSv4 (also a filesystem without block device as backing store...) implemented quota support ? Maybe there is already a solution... ---- Bye, Roland -- Roland Mainz, MAA/CAS Eckelmann AG, Berliner Str. 161, 65205 Wiesbaden Telefon +49/611/7103-661, Fax +49/611/7103-133 r.mainz@eckelmann.de Eckelmann Group - Source of inspiration ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/